The manager of the Groove Shopping Mall in Windhoek claims thatvisitors to this mall spend always more than 90 minutes in the mallon any occasion. to test this claim, the chairman of the Namibianchamber of commerce and Industry (NCCI) commissioned a study whichfound that, from a random sample of 25 recent visitors to thismall, the average visiting time was 95.5 minutes, with a standarddeviation of 15 minutes. 2.3.1 Formulate a suitable null andalternative hypothesis for this situation 2.3.2 Compute the samplestatistic 2.3.3 formulate the decision rule by using = 10% 2.3.4What conclusion can the chairman of the Namibian Chamber ofCommerce and Industry (NCCI) draw from the Findings?
